/*
 * Copyright (c) 2007-2011, Petr Panteleyev
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *    1. Redistributions of source code must retain the above copyright notice,
 *       this list of conditions and the following disclaimer.
 *    2. Redistributions in binary form must reproduce the above copyright notice,
 *       this list of conditions and the following disclaimer in the documentation
 *       and/or other materials provided with the distribution.
 *    3. The name of the author may not be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.panteleyev.gclient;

import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import org.panteleyev.blogapi.IBlogEntry;

import com.google.gdata.data.Content;
import com.google.gdata.data.DateTime;
import com.google.gdata.data.Entry;
import com.google.gdata.data.HtmlTextConstruct;
import com.google.gdata.data.Person;
import com.google.gdata.data.PlainTextConstruct;
import com.google.gdata.data.TextConstruct;
import com.google.gdata.data.TextContent;

public class GBBaseEntry implements IBlogEntry {
    private Entry _entry;

    /** Creates a new instance of GBBaseEntry */
    public GBBaseEntry(Entry entry) {
        _entry = entry;
    }

    public void setEntry(Entry entry) {
        _entry = entry;
    }

    public Entry getEntry() {
        return _entry;
    }

    public String getId() {
        String id = getEntry().getId();
        return (id == null)? null : id.split("post-")[1];
    }

    @Override
    public Date getDate() {
        DateTime dt = getEntry().getPublished();
        return (dt == null)? new Date() : new Date(dt.getValue());
    }

    @Override
    public String getSubject() {
        TextConstruct text = _entry.getTitle();

        if (text != null) {
            if (text instanceof HtmlTextConstruct) {
                String htmlString = ((HtmlTextConstruct)text).getHtml();
                return htmlString.replaceAll("<br */?>", "");
            } else {
                return text.getPlainText();
            }
        } else {
            return "";
        }
    }

    public void setBody(String body) {
        getEntry().setContent(new PlainTextConstruct(body));
    }

    @Override
    public String getBody() {
        Content c = _entry.getContent();

        if ((c != null) && (c instanceof TextContent)) {
            TextConstruct text = ((TextContent)c).getContent();

            if (text instanceof HtmlTextConstruct) {
                String htmlString = ((HtmlTextConstruct)text).getHtml();
                return htmlString.replaceAll("<[bB][rR] */?>", "\n");
            } else {
                return text.getPlainText();
            }
        } else {
            return "";
        }
    }

    ArrayList<GBPerson> getAuthors() {
        List<Person> pList = getEntry().getAuthors();
        ArrayList<GBPerson> gbPList = new ArrayList<>(pList.size());

        for (Person p : pList) {
            gbPList.add(new GBPerson(p));
        }

        return gbPList;
    }

    public URL getEditURL() throws MalformedURLException {
        return new URL(getEntry().getEditLink().getHref());
    }

    public boolean isDraft() { return getEntry().isDraft(); }
    public void setDraft(boolean b) { getEntry().setDraft(b); }

    @Override
    public String getBlogName() {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    public void clearId() {
        _entry.setId(null);
    }
}
